Prudence Lifecare Pvt. Ltd.
2-(2-Hydroxyphenyl)-4H-1,3-Benzoxazine-4-One [HBO]
Manufactured and supplied from our WHO-GMP, GLP and ISO 9001:2015 certified facility in Ankleshwar, Gujarat, India. This benzoxazinone building block, known in the industry as HBO, is widely documented as a key synthetic intermediate for Deferasirox, an iron-chelating agent.
![2-(2-Hydroxyphenyl)-4H-1,3-Benzoxazine-4-One [HBO] (CAS 1218-69-5) chemical structure](/wp-content/uploads/hbo-hydroxyphenyl-benzoxazine-one-chemical-structure.webp)
- CAS Number
- 1218-69-5
- Molecular Weight
- 239.23 g/mol
- Product Type
- API Intermediate
- Industry Use
- Deferasirox synthesis
What is HBO?
2-(2-Hydroxyphenyl)-4H-1,3-Benzoxazine-4-One — commonly abbreviated HBO — is a benzoxazinone formed by cyclodehydration of salicylic acid and salicylamide. It is widely documented across patent literature and reference-standard suppliers as a key intermediate in the synthesis of Deferasirox, where it reacts to build the bis(2-hydroxyphenyl)-triazole core of the finished drug substance. Prudence Lifecare's HBO is manufactured under the same WHO-GMP quality systems that govern our full API and intermediates portfolio.
Application
- Deferasirox synthesis intermediate
- Iron-chelating agent API manufacturing
- Custom synthesis & CDMO supply
- Pharmaceutical research & QC reference
Chemical & technical data
Full verified identifiers for HBO, cross-checked against supplier reference data.
| Product Name | 2-(2-Hydroxyphenyl)-4H-1,3-Benzoxazine-4-One [HBO] |
|---|---|
| CAS Number | 1218-69-5 |
| Molecular Formula | C14H9NO3 |
| Molecular Weight | 239.23 g/mol |
| Melting Point | 204–208 °C |
| Systematic Name | 2-(2-hydroxyphenyl)-4H-benzo[e][1,3]oxazin-4-one |
| InChIKey | NSWIROGSZPXREF-UHFFFAOYSA-N |
| Product Type | Active Pharmaceutical Ingredient (API) intermediate |
| Industry Downstream Use | Deferasirox |
Specification, purity grade, packaging and Certificate of Analysis details available on request.
Manufacturing & supply
Prudence Lifecare Pvt. Ltd., Unit-II of Prudence Pharma Chem (established 2003), is a WHO, GMP, GLP and ISO 9001:2015 certified Active Pharmaceutical Ingredient and intermediates manufacturer based in GIDC Ankleshwar, Gujarat, India. HBO is manufactured under the same quality systems that govern our full API and intermediates portfolio, supplying formulation companies, API manufacturers and contract manufacturers across India and exporting to Asia, Europe, Africa and the Middle East.
Quality, certifications & documentation
- WHO-GMP, GLP, ISO 9001:2015 and ISO 14001 certified facility
- Certificate of Analysis (CoA) available on request
- Custom purity/particle-size specifications available on request
Why choose Prudence Lifecare
- WHO, GMP, GLP and ISO-certified facility in Ankleshwar, Gujarat, India
- Broad API and intermediates portfolio manufactured under one quality system
- Export experience across Asia, Europe, Africa and the Middle East
- Custom synthesis and contract manufacturing (CDMO) capability
Frequently asked questions
What is HBO used for?
HBO (2-(2-Hydroxyphenyl)-4H-1,3-Benzoxazine-4-One) is documented industry-wide as a key synthetic intermediate for Deferasirox, an iron-chelating agent.
What is the CAS number of HBO?
1218-69-5.
What is the molecular formula of HBO?
C14H9NO3.
What is the molecular weight of HBO?
239.23 g/mol.
Who manufactures HBO in India?
Prudence Lifecare Pvt. Ltd. manufactures HBO at its WHO-GMP certified facility in Ankleshwar, Gujarat, India.
How is HBO made?
HBO is formed by the cyclodehydration of salicylic acid and salicylamide.
Does Prudence Lifecare export HBO internationally?
Yes, Prudence Lifecare exports its API and intermediates portfolio to Asia, Europe, Africa and the Middle East.
Can Prudence Lifecare provide a Certificate of Analysis (CoA) for HBO?
Yes, a Certificate of Analysis is available on request — contact our export sales team.
Is HBO manufactured under GMP conditions at Prudence Lifecare?
Yes — Prudence Lifecare's facility is WHO, GMP, GLP and ISO 9001:2015 certified.
How can I request a quote or technical documentation?
Use the "Request a quote" button on this page or visit our Contacts page.
Need pricing, a Certificate of Analysis, or technical documentation for HBO?
Contact our export sales team